Vulnerability · Published Aug 18, 2026 · Assigned by VulnCheck

CVE-2026-75846ArcadeDB before 26.8.1 Unauthorized Function Deletion via DELETE FUNCTION

High 7.1

In plain English

A high-severity missing authorization in arcadedb from ArcadeData. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities).

Severity (CVSS 3.1)7.1High

Exploit odds (30 days)0.4%top 71.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

ArcadeDB before 26.8.1 (affected versions <= 26.7.3) contains a missing authorization vulnerability in the DELETE FUNCTION SQL statement. DeleteFunctionStatement.executeSimple unregisters and persists deletion of a server-side function without any checkPermissionsOnDatabase (UPDATE_SCHEMA) check. Any user with database access can execute DELETE FUNCTION via the command API (POST /api/v1/command/{db}) to permanently remove any registered server-side function, including security-relevant logic, impacting integrity and availability.

Affected products (as reported)

Vendor	Product	Versions
ArcadeData	arcadedb	0 – before 26.8.1

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

References

GitHub Security Advisory (GHSA-vv82-qvpf-rjwv) vendor-advisory
VulnCheck Advisory: ArcadeDB before 26.8.1 Unauthorized Function Deletion via DELETE FUNCTION third-party-advisory